import { CacheFactory, ICacheConfig } from '../tools';
export declare enum CACHE_TYPE {
    LRU = 0,
    INFINITE = 1
}
export declare class CacheMiddleware {
    protected config?: ICacheConfig;
    protected cache: CacheFactory;
    constructor(config?: ICacheConfig);
    private static TimingStart;
    private static TimingEnd;
    middleWare(type?: CACHE_TYPE): (req: any, res: any, next: (err?: any) => void) => Promise<void>;
}
export declare const lru: (options?: ICacheConfig) => (req: any, res: any, next: (err?: any) => void) => Promise<void>;
export declare const infinite: (options?: ICacheConfig) => (req: any, res: any, next: (err?: any) => void) => Promise<void>;